EP2148058A3 - Forced air-cooled vehicle engine unit, and motorcycle - Google Patents

Forced air-cooled vehicle engine unit, and motorcycle Download PDF

Info

Publication number
EP2148058A3
EP2148058A3 EP09009562A EP09009562A EP2148058A3 EP 2148058 A3 EP2148058 A3 EP 2148058A3 EP 09009562 A EP09009562 A EP 09009562A EP 09009562 A EP09009562 A EP 09009562A EP 2148058 A3 EP2148058 A3 EP 2148058A3
Authority
EP
European Patent Office
Prior art keywords
air intake
intake passage
auxiliary air
motorcycle
cooled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09009562A
Other languages
German (de)
French (fr)
Other versions
EP2148058A2 (en
EP2148058B1 (en
Inventor
Toshio Matsubara
Yasushi Ishizuka
Kyouji Morita
Yoshitaka Nagai
Wataru Ishi
Hiroyuki Tsuzuku
Takayuki Gouke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Motor Co Ltd
Original Assignee
Yamaha Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yamaha Motor Co Ltd filed Critical Yamaha Motor Co Ltd
Publication of EP2148058A2 publication Critical patent/EP2148058A2/en
Publication of EP2148058A3 publication Critical patent/EP2148058A3/en
Application granted granted Critical
Publication of EP2148058B1 publication Critical patent/EP2148058B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/104—Intake manifolds
    • F02M35/108—Intake manifolds with primary and secondary intake passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P1/00—Air cooling
    • F01P1/06—Arrangements for cooling other engine or machine parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/1055—Details of the valve housing having a fluid by-pass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/162—Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M53/00—Fuel-injection apparatus characterised by having heating, cooling or thermally-insulating means
    • F02M53/04—Injectors with heating, cooling, or thermally-insulating means
    • F02M53/08—Injectors with heating, cooling, or thermally-insulating means with air cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2050/00—Applications
    • F01P2050/16—Motor-cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Automatic Cycles, And Cycles In General (AREA)

Abstract

An auxiliary air intake passage defining member 41 is connected to an air intake pipe 36 connected to a cylinder head 23. The auxiliary air intake passage defining member 41 defines an auxiliary air intake passage K1. The auxiliary air intake passage K1 is branched from a main air intake passage P1 in the air intake pipe 36 to guide intake air into a space defined adjacent to an injection nozzle of an injector at least during idling. At least a part of the auxiliary air intake passage defining member 41 is located outside a shroud 50. A portion around the injection nozzle is cooled by assist air from the auxiliary air intake passage K1 during idling. A portion around the injection nozzle is cooled by cooling wind generated by a fan 56 during the movement of a vehicle.
EP09009562.1A 2008-07-24 2009-07-23 Forced air-cooled vehicle engine unit, and motorcycle Active EP2148058B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2008190450 2008-07-24
JP2009042957 2009-02-25
JP2009042922 2009-02-25
JP2009114018A JP2010223211A (en) 2008-07-24 2009-05-08 Forced air-cooled engine unit for vehicle and motorcycle

Publications (3)

Publication Number Publication Date
EP2148058A2 EP2148058A2 (en) 2010-01-27
EP2148058A3 true EP2148058A3 (en) 2013-03-13
EP2148058B1 EP2148058B1 (en) 2015-01-21

Family

ID=41314648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09009562.1A Active EP2148058B1 (en) 2008-07-24 2009-07-23 Forced air-cooled vehicle engine unit, and motorcycle

Country Status (4)

Country Link
EP (1) EP2148058B1 (en)
JP (1) JP2010223211A (en)
ES (1) ES2534051T3 (en)
TW (1) TWI445637B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI487835B (en) * 2012-08-29 2015-06-11 Sanyang Industry Co Ltd Engine intake manifold control device for vehicles
JP6003491B2 (en) * 2012-10-01 2016-10-05 スズキ株式会社 Engine cooling structure
JP6107381B2 (en) * 2013-04-25 2017-04-05 スズキ株式会社 Fuel injection device for motorcycle engine
JP6237319B2 (en) * 2014-02-20 2017-11-29 スズキ株式会社 Engine cooling structure
JP2017150311A (en) * 2014-07-04 2017-08-31 ヤマハ発動機株式会社 Engine unit and ride type vehicle
JP2019105238A (en) 2017-12-13 2019-06-27 ヤマハ発動機株式会社 engine
SE2350637A1 (en) * 2022-05-30 2023-12-01 Husqvarna Ab A fuel injection arrangement for hand-held powertools

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58183815A (en) * 1982-04-21 1983-10-27 Yamaha Motor Co Ltd Structure for cooling ignition plug for forced air-cooled engine
JP2001241326A (en) * 2000-02-29 2001-09-07 Yamaha Motor Co Ltd Cooling structure of forced-air-cooled four cycle engine
JP2002327665A (en) * 2001-04-27 2002-11-15 Yamaha Motor Co Ltd Fuel supply device for four-cycle engine
EP1559909A1 (en) * 2002-10-25 2005-08-03 Yamaha Hatsudoki Kabushiki Kaisha Two-wheeled motor vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE546639T1 (en) 2004-03-30 2012-03-15 Yamaha Motor Co Ltd STRIDE SEAT MOTOR VEHICLE
JP4732375B2 (en) 2007-02-05 2011-07-27 本田技研工業株式会社 Forced air-cooled internal combustion engine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58183815A (en) * 1982-04-21 1983-10-27 Yamaha Motor Co Ltd Structure for cooling ignition plug for forced air-cooled engine
JP2001241326A (en) * 2000-02-29 2001-09-07 Yamaha Motor Co Ltd Cooling structure of forced-air-cooled four cycle engine
JP2002327665A (en) * 2001-04-27 2002-11-15 Yamaha Motor Co Ltd Fuel supply device for four-cycle engine
EP1559909A1 (en) * 2002-10-25 2005-08-03 Yamaha Hatsudoki Kabushiki Kaisha Two-wheeled motor vehicle

Also Published As

Publication number Publication date
TWI445637B (en) 2014-07-21
ES2534051T3 (en) 2015-04-16
EP2148058A2 (en) 2010-01-27
JP2010223211A (en) 2010-10-07
TW201016492A (en) 2010-05-01
EP2148058B1 (en) 2015-01-21

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